/*
 * Copyright (c) 2007 Embedded Projects (http://www.embedded-projecs.net)
 * Author: Benedikt Sauter <sauter@embedded-projects.net
 * All rights reserved.
 *
 * Short descripton of file:
 *
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above 
 *     copyright notice, this list of conditions and the following 
 *     disclaimer in the documentation and/or other materials provided 
 *     with the distribution.
 *   * Neither the name of the FH Augsburg nor the names of its 
 *     contributors may be used to endorse or promote products derived 
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef IO_H
#define IO_H

#include <avr/io.h>
#include <avr/pgmspace.h>

#ifdef __AVR_AT90CAN128__
  #define OCTOPUS_CAN
#endif

void io_parser(char *buf);

uint8_t io_init(uint8_t pin);
void io_init_usb(uint8_t pin);

uint8_t io_init_port(uint8_t port);
void io_init_port_usb(uint8_t port);

uint8_t io_set_port_direction_out(uint8_t port,uint8_t mask);
uint8_t io_set_port_direction_in(uint8_t port, uint8_t mask);
uint8_t io_set_port_direction_tri(uint8_t port, uint8_t mask);


void io_set_port_direction_out_usb (uint8_t port, uint8_t mask);
void io_set_port_direction_in_usb(uint8_t port, uint8_t mask);
void io_set_port_direction_tri_usb(uint8_t port, uint8_t mask);

uint8_t io_set_pin_direction_out(uint8_t pin);
uint8_t io_set_pin_direction_in(uint8_t pin);
uint8_t io_set_pin_direction_tri(uint8_t pin);

void io_set_pin_direction_out_usb(uint8_t pin);
void io_set_pin_direction_in_usb(uint8_t pin);
void io_set_pin_direction_tri_usb(uint8_t pin);

uint8_t io_get_port (uint8_t port, uint8_t *pvalue);
void io_get_port_usb (uint8_t port);


uint8_t io_set_port(uint8_t port, uint8_t value);
void io_set_port_usb (uint8_t port, uint8_t value);

uint8_t io_set_pin(uint8_t pin, uint8_t value); 
void io_set_pin_usb(uint8_t pin, uint8_t value); 

uint8_t io_get_pin(uint8_t pin, uint8_t *value);
void io_get_pin_usb(uint8_t pin);

void io_set_status_led(uint8_t on);
void io_set_status_led_usb(uint8_t on);

#define PORT(port,pin)     (PORT##port)
#define DDR(port,pin)      (DDR##port)
#define PIN(port,pin)      (PIN##port)
#define PIN_MASK(port,pin) (1<<(pin))

/* Set a pin */
#define SETPIN(pindef)      PORT pindef |= PIN_MASK pindef

/* Clear a pin */
#define CLRPIN(pindef)      PORT pindef &= ~PIN_MASK pindef

/* Get pin value */
#define GETPIN(pindef)      (PIN pindef & PIN_MASK pindef)

/* Toggle a pin */
#define TOGGLEPIN(pindef)   PIN pindef |= PIN_MASK pindef

/* Set a IO to output */
#define SET_DDR_OUT(pindef) DDR pindef |= PIN_MASK pindef

/* Set a IO to input */
#define SET_DDR_IN(pindef)  DDR pindef &= ~PIN_MASK pindef



#endif /* IO_H */
